Patent · US Expired

Anisotropic compounds having nematic phase and liquid crystal mixtures

US5227484A · kind A · utility

1Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 1985
Grant dateJul 13, 1993
Priority date
Expiry dateNov 25, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/3458
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Anisotropic compounds having a nematic phase have the formula ##STR1## wherein A is a cyclic radical selected from the group consisting of ##STR2## Z is selected from the group consisting of a single bond, a --CH2CH2-- group, PA1 n is 1 or 2, PA1 R.sup.1 and R.sup.2 are selected from the group consisting of C.sub.1 -C.sub.12 -alkyl, C.sub.1 -C.sub.12 -alkoxy.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.